Tire Brand: Nitto
Tire Model: NT420S
Check Nitto NT420S tire size chart to find maximum tire inflation as set by manufacturer for your Nitto NT420S tire size. Remember that tire pressure value printed on Nitto NT420S tire sidewall is a maximum tire pressure that Nitto NT420S tire can support when carrying its maximum weight capacity, and it is not a recommended tire pressure setting for your vehicle.
Keep in mind that Nitto NT420S tires can naturally lose 1 to 2 psi of tire pressure monthly, so check Nitto NT420S tire pressure regularly to keep tires inflated at recommended level.
Tire pressure is also affected by changes in temperature. As a rule, tire pressure for Nitto NT420S tires will change by about 1 psi for every 10 degrees Fahrenheit change in atmospheric temperature. Maintain proper Nitto NT420S winter tire pressure by compensating air pressure to your vehicle's recommended tire pressure level when temperatures drop.
Nitto NT420S tire pressure chart with maximum tire inflation for each tire size.
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